Cause:
A change in system design and/or equipment order necessitating the conversion of a previously installed main circuit breaker panelboard to main lugs only.

Resolution:
No, the previously offered closing plate, part no. 80103-079-02, is now obsolete. A NQXXRDE Rail extension kit , (Where X is the length of the blank dead front and rail extensions), can be used.

This rail extension kit used to make up the difference between a MLO box and MCB Box , and can be used after the Main breaker is removed, while providing a blank dead front with no openings where thwe Main was originally '